Date: Tue, 1 Jun 1999 09:20:02 -0700 (PDT) From: Thomas David Rivers <rivers@dignus.com> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/11969: VM_fault with mmap'd CDROM data. Message-ID: <199906011620.JAA64548@freefall.freebsd.org>
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The following reply was made to PR kern/11969; it has been noted by GNATS.
From: Thomas David Rivers <rivers@dignus.com>
To: ken@plutotech.com, rivers@dignus.com
Cc: FreeBSD-gnats-submit@FreeBSD.ORG
Subject: Re: kern/11969: VM_fault with mmap'd CDROM data.
Date: Tue, 1 Jun 1999 12:10:26 -0400 (EDT)
> The problem here may be two-fold. First, your CDROM drive is barfing on
> the read command above. I don't know why that's happening, especially
> since there's a vendor-specific ASC and ASCQ. If you can get the SCSI
> specs for that drive, you may be able to figure out what's going on.
>
True -
But - it's something specific to the read - somehow... because,
cat of that file works correctly, gets the right data and doesn't
cause the SCSI drive/driver to "barf".
So - what's different when the read is a result of an mmap()?
The size of the read maybe?
- Dave Rivers -
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